IBM TS4300 3555, User Manual

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Rear panel
Figure 12. Rear panel
Table 6. Rear panel descriptions
Number Item Comments
1 Power supply 1
Standard on Base Module
Optional on Expansion Module (required
if drives are present)
2 Power supply 2 Optional on Base Module and Expansion Modules
3 Tape drive bays
4 Upper Expansion Module connection port
5 USB port Base Module only
6 Ethernet port B Base Module only (secondary port for service
usage)
7 Ethernet port A Base Module only
8 Module alignment mechanism
9 Lower Expansion Module connection port
10 Unit Identifier LED, Blue
11 Controller Error LED, Yellow
12 Controller Health Status LED, Green
13 Product Serial Number, Tag location
Physical and logical addresses of modules
The library assigns each module a unique address to indicate its physical location, shown in Figure 13 on
page 9. The physical numbering is bottom up on all modules.
8 IBM TS4300 Tape Library Machine Type 3555: User's Guide